SoonerDave
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Re: SB8200 lost upstream bonded channels - power too low
Putting a final bow on this issue: 1. We did have confirmed upstream signal issues from Cox. Those have been fixed. 2. The tech ran a completely new cable from the demarc to my wall outlet. 3. Signal tests showed perfect for strength and throughput. 4. Connected from cablemodem to WIndows laptop - speeds perfect. 5. Moved connection from cablemodem back to firewall appliance - speeds throttled down to about 25% of normal. 6. Chatted with Cox tech, reviewed situation, sent someone out to double-check speeds and signal strengths. THey did, all good. 7. Reconnected to my firewall appliance, low speed returns. 8. Temporarily reconfigured firewall appliance to get direct connection from cablemodem rather than through virtual machine hosting firewall: full speeds realized 9. I was able to do some further internal performance testing and confirmed the problem has arisen somewhere within the configuration of my firewall appliance, which is decidedly a non-standard beast. Obviously not Cox's job to support that. Bottom line, Cox is delivering what they promised, and i have to research the slowdown issue on my end. Thanks to everyone who tried to help in this thread.0Views0likes1CommentRe: SB8200 lost upstream bonded channels - power too low
Ordinarily I would agree, but I think even PVC insulators can start to suffer from thermal breakdown if exposed to 150* for extended periods of time. Given that cable has been in that attic - at least part of it for 20 years - replacing the entire run from the demarc to the drop isn't a meritless idea.8Views0likes2CommentsRe: SB8200 lost upstream bonded channels - power too low
It is. We haven't even hit the hot part of the summer here in OK, yesterday was in the high eighties/low nineties and the attic temp was easily over 110. I had some additional vents installed years ago because when we get dropped in the true summer roaster and routinely push 100 daily the attic space can run 140-plus. The last Cox guy in that attic years ago was a pretty stocky guy and he was sweating so profusely I was worried about his health - I told him he could come back the next day in the morning but he said he was OK. I at least have him a big cup of ice water. The tech yesterday told me Cox requires them to schedule attic work in the mornings now for heat safety considerations.8Views0likes1CommentRe: SB8200 lost upstream bonded channels - power too low
I completely understand the purpose of a splitter; my point was that there was no *need* for a splitter on our setup. There's just no rationale for it - feed should go straight to the drop in my office. And Cox was the one that put it in years ago.21Views0likes0CommentsRe: SB8200 lost upstream bonded channels - power too low
I'm just relaying what the tech observed. The cable run in the attic is basically in a summer roaster and after, what, twenty years (?) the heat maybe has gotten to it and the impedance finally just hit the "straw that broke the camel's back" moment. I don't have a hard answer at this point. I don't know why the Cox tech from years ago put a splitter on that line, but he did. We will see if the new run fixes the issue.43Views0likes11CommentsRe: SB8200 lost upstream bonded channels - power too low
Just an update: Tech came out today and measured from pedestal to demarc and said downstream signals were OK but not ideal, and agreed upstream signals are too low. He replaced the box (coupler) at the demarc, then measured on the line from the demarc to the outlet, and said the line from the demarc to the outlet should be re-run. He was exceptionally nice and I was very impressed with him. He will return in the morning to run the new line in our attic before the temperature hits broil.117Views0likes14CommentsRe: SB8200 lost upstream bonded channels - power too low
I agree, and I've told this to each of the four different people I've "chatted" with AND the level 2 tech who talked to me on the phone the other day. I've made a point of saying this seemed to have started with an outage affectingy area. Yet the last word from Cox is for a truck roll. This is another aspect of my frustration: When I mentioned this to the first agent with whom I chatted he told me he would escalate it because of the outage being coincident with my issue. I waited for a couple of hours and checked back, told the next tech the situation, and they said there was no record of any tech escalating anything on my account to anyone for any reason. So I was lied to to get someone's chat resolution metrics inline. And I still have the problem. I chatted with, as I recall, four different agents, got disconnected twice, and then told I had to pay for more diagnosis. That's when I about threw my phone through a wall. Then I called tech support and they related me to a (supposedly) Tier 2 who finally concluded a truck roll was necessary because everything in their end looked correct. I told them about the outage but it made no difference to them.88Views0likes15Comments